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翰林B4課p227_9
Author:
廖傑成
翰林B4課p.227_9
GeoGebra
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找出對稱軸
四邊形的特性
GeoGebra笔记功能体验课件
画直线等分三角形的面积
三位數除以一位數（一）
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[問題] 橢圓兩焦點 (6,0), (0,8)
梯形旋轉
door
箏形
等角对等边
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Fractal Geometry
Congruence
Perimeter
Symmetry
Parallelogram